A contribution to the petrography of the John Day basin A contribution to the petrography of the John Day basin /

by Calkins, Frank C.
Published 1902

<<The>> geology and ore deposits of the Coeur d'Alene District, Idaho /

by Ransome, Frederick Leslie 1868-1935
Published 1908

Geology and ore deposits of the Philipsburg quadrangle Montana /

by Emmons, William H. 1876-1948
Published 1913